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/*
* prog_util.h - utility functions for programs
*
* Copyright 2016 Eric Biggers
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef PROGRAMS_PROG_UTIL_H
#define PROGRAMS_PROG_UTIL_H
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "libdeflate.h"
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef _WIN32
# include <sys/types.h>
#endif
#include "../common/common_defs.h"
#ifdef __GNUC__
# define _printf(str_idx, args_idx) \
__attribute__((format(printf, str_idx, args_idx)))
#else
# define _printf(str_idx, args_idx)
#endif
#ifdef _MSC_VER
/*
* Old versions (e.g. VS2010) of MSC have stdint.h but not the C99 header
* inttypes.h. Work around this by defining the PRI* macros ourselves.
*/
# define PRIu8 "hhu"
# define PRIu16 "hu"
# define PRIu32 "u"
# define PRIu64 "llu"
# define PRIi8 "hhi"
# define PRIi16 "hi"
# define PRIi32 "i"
# define PRIi64 "lli"
# define PRIx8 "hhx"
# define PRIx16 "hx"
# define PRIx32 "x"
# define PRIx64 "llx"
#else
# include <inttypes.h>
#endif
#ifdef _WIN32
/*
* Definitions for Windows builds. Mainly, 'tchar' is defined to be the 2-byte
* 'wchar_t' type instead of 'char'. This is the only "easy" way I know of to
* get full Unicode support on Windows...
*/
#include <wchar.h>
int wmain(int argc, wchar_t **argv);
# define tmain wmain
# define tchar wchar_t
# define _T(text) L##text
# define T(text) _T(text)
# define TS "ls"
# define TC "lc"
# define tmemcpy wmemcpy
# define topen _wopen
# define tstrchr wcschr
# define tstrcmp wcscmp
# define tstrlen wcslen
# define tstrrchr wcsrchr
# define tstrtoul wcstoul
# define tstrxcmp wcsicmp
# define tunlink _wunlink
# define tutimbuf __utimbuf64
# define tutime _wutime64
# define tstat _wstat64
# define tfstat _fstat64
# define stat_t struct _stat64
# ifdef _MSC_VER
# define STDIN_FILENO 0
# define STDOUT_FILENO 1
# define STDERR_FILENO 2
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
# endif
#else /* _WIN32 */
/* Standard definitions for everyone else */
# define tmain main
# define tchar char
# define T(text) text
# define TS "s"
# define TC "c"
# define tmemcpy memcpy
# define topen open
# define tstrchr strchr
# define tstrcmp strcmp
# define tstrlen strlen
# define tstrrchr strrchr
# define tstrtoul strtoul
# define tstrxcmp strcmp
# define tunlink unlink
# define tutimbuf utimbuf
# define tutime utime
# define tstat stat
# define tfstat fstat
# define stat_t struct stat
#endif /* !_WIN32 */
extern const tchar *prog_invocation_name;
void _printf(1, 2) msg(const char *fmt, ...);
void _printf(1, 2) msg_errno(const char *fmt, ...);
void *xmalloc(size_t size);
void begin_program(tchar *argv[]);
struct file_stream {
int fd;
tchar *name;
bool is_standard_stream;
void *mmap_token;
void *mmap_mem;
size_t mmap_size;
};
int xopen_for_read(const tchar *path, bool symlink_ok,
struct file_stream *strm);
int xopen_for_write(const tchar *path, bool force, struct file_stream *strm);
int map_file_contents(struct file_stream *strm, u64 size);
ssize_t xread(struct file_stream *strm, void *buf, size_t count);
int full_write(struct file_stream *strm, const void *buf, size_t count);
int xclose(struct file_stream *strm);
int parse_compression_level(tchar opt_char, const tchar *arg);
struct libdeflate_compressor *alloc_compressor(int level);
struct libdeflate_decompressor *alloc_decompressor(void);
/* tgetopt.c */
extern tchar *toptarg;
extern int toptind, topterr, toptopt;
int tgetopt(int argc, tchar *argv[], const tchar *optstring);
#endif /* PROGRAMS_PROG_UTIL_H */
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